SCHEDULE: Dimensional Fund Advisors Reports 0% Stake in United Security Bancshares

Dimensional Fund Advisors LP has filed a Schedule 13G, reporting no beneficial ownership of United Security Bancshares' common stock as of June 30, 2026.

Summary

• Dimensional Fund Advisors LP (DFA) has filed an amendment to its Schedule 13G filing.
• The filing indicates that DFA beneficially owns 0.00 shares of United Security Bancshares' common stock.
• This represents 0.0% of the class of securities.
• DFA acts as an investment adviser to various investment companies and commingled funds.
• While DFA may possess voting and/or investment power over securities held by these funds, it disclaims beneficial ownership of all reported securities.
• The securities are owned by the investment companies, trusts, and accounts for which DFA provides advisory services.
• DFA certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of influencing control of the issuer.

Sentiment

Score: 3

Explanation: StockSavvy.ai views this filing as neutral to slightly negative, as it indicates a lack of significant investment or interest from a major institutional player like Dimensional Fund Advisors LP in United Security Bancshares.

Positives

• Dimensional Fund Advisors LP maintains a clear and transparent reporting process regarding its investment holdings.
• The company's disclaimer of beneficial ownership clarifies the nature of its advisory role.
• The filing confirms that DFA is not seeking to influence or control United Security Bancshares.

Negatives

• The filing indicates no investment by Dimensional Fund Advisors LP in United Security Bancshares, which could be interpreted as a lack of confidence or interest from a significant institutional investor.

Risks

• The filing does not mention any specific risks related to the company or its operations.
• The primary risk is the potential for misinterpretation of DFA's role, though the filing aims to clarify this.

Future Outlook

The filing does not contain any forward-looking statements or guidance from Dimensional Fund Advisors LP regarding United Security Bancshares.

Management Comments

• "Dimensional Fund Advisors LP, an investment adviser registered under Section 203 of the Investment Advisors Act of 1940, furnishes investment advice to four investment companies registered under the Investment Company Act of 1940, and serves as investment manager or sub-adviser to certain other commingled funds, group trusts and separate accounts."
• "Dimensional disclaims beneficial ownership of such securities."
• "In its role as investment advisor, sub-adviser and/or manager, Dimensional Fund Advisors LP or its subsidiaries (collectively, 'Dimensional') may possess voting and/or investment power over the securities of the Issuer that are owned by the Funds, and may be deemed to be the beneficial owner of the shares of the Issuer held by the Funds."
• "The Funds described in Note 1 above have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the securities held in their respective accounts."
• "To the knowledge of Dimensional, the interest of any one such Fund does not exceed 5% of the class of securities."
• "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under 240.14a-11."

Industry Context

StockSavvy.ai notes that Schedule 13G filings are typically made by institutional investors who acquire beneficial ownership of more than 5% of a class of a company's registered equity securities. A filing reporting 0% ownership, especially an amendment, often signifies a change in reporting status or a clarification of a previous filing, indicating no significant stake or intent to influence control.

Comparison to Industry Standards

• This filing is a standard Schedule 13G, used by passive investors or investment advisers who hold 5% or more of a company's stock. However, in this specific instance, Dimensional Fund Advisors LP is reporting 0% beneficial ownership, which deviates from the typical scenario where a 13G indicates a substantial passive stake. This suggests that DFA is either no longer a significant holder or is clarifying its role as an advisor rather than a direct beneficial owner, which is a common practice for large asset managers like Vanguard or BlackRock when managing index funds or ETFs.
• Companies like State Street Global Advisors and Vanguard often file 13G reports when their managed funds cross the 5% threshold. The absence of such a threshold being met by DFA in this case is noteworthy.

Stakeholder Impact

• Shareholders: The lack of a significant stake from Dimensional Fund Advisors LP may be perceived as a lack of institutional endorsement, potentially impacting investor sentiment.
• Management: The filing reinforces that DFA is not seeking to influence control, providing clarity on their relationship with the company's management.

Next Steps

• Dimensional Fund Advisors LP will continue to provide investment advice to its managed funds.
• Future filings will be made if DFA's beneficial ownership or its advisory role changes significantly concerning United Security Bancshares.

Key Dates

Keywords

Schedule 13G, Dimensional Fund Advisors LP, United Security Bancshares, Beneficial Ownership, Investment Adviser, SEC Filing, Common Stock, Securities